diff --git a/production/helm/fluent-bit/Chart.yaml b/production/helm/fluent-bit/Chart.yaml
index 909edfd06dfa1..cdeff1f45fb00 100644
--- a/production/helm/fluent-bit/Chart.yaml
+++ b/production/helm/fluent-bit/Chart.yaml
@@ -1,3 +1,4 @@
+apiVersion: "v1"
 name: fluent-bit
 version: 0.0.2
 appVersion: v0.0.1
diff --git a/production/helm/loki-stack/Chart.yaml b/production/helm/loki-stack/Chart.yaml
index eb14e6690a754..3d804f8fd0e5b 100644
--- a/production/helm/loki-stack/Chart.yaml
+++ b/production/helm/loki-stack/Chart.yaml
@@ -1,5 +1,6 @@
+apiVersion: "v1"
 name: loki-stack
-version: 0.17.3
+version: 0.17.4
 appVersion: v0.3.0
 kubeVersion: "^1.10.0-0"
 description: "Loki: like Prometheus, but for logs."
diff --git a/production/helm/loki/Chart.yaml b/production/helm/loki/Chart.yaml
index 80ed0585503c6..e2576ca10c2bb 100644
--- a/production/helm/loki/Chart.yaml
+++ b/production/helm/loki/Chart.yaml
@@ -1,5 +1,6 @@
+apiVersion: "v1"
 name: loki
-version: 0.16.0
+version: 0.16.1
 appVersion: v0.3.0
 kubeVersion: "^1.10.0-0"
 description: "Loki: like Prometheus, but for logs."
diff --git a/production/helm/loki/templates/_helpers.tpl b/production/helm/loki/templates/_helpers.tpl
index 2e333aae60f88..5e12a470f1787 100644
--- a/production/helm/loki/templates/_helpers.tpl
+++ b/production/helm/loki/templates/_helpers.tpl
@@ -41,3 +41,21 @@ Create the name of the service account
     {{ default "default" .Values.serviceAccount.name }}
 {{- end -}}
 {{- end -}}
+
+{{/*
+Create the app name of loki clients. Defaults to the same logic as "loki.fullname", and default client expects "promtail".
+*/}}
+{{- define "client.name" -}}
+{{- if .Values.client.name -}}
+{{- .Values.client.name -}}
+{{- else if .Values.client.fullnameOverride -}}
+{{- .Values.client.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default "promtail" .Values.client.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
diff --git a/production/helm/loki/templates/networkpolicy.yaml b/production/helm/loki/templates/networkpolicy.yaml
index dea85abcaf2fd..31d24d70031c0 100644
--- a/production/helm/loki/templates/networkpolicy.yaml
+++ b/production/helm/loki/templates/networkpolicy.yaml
@@ -19,7 +19,7 @@ spec:
     - from:
       - podSelector:
           matchLabels:
-            app: {{ template "promtail.name" . }}
+            app: {{ template "client.name" . }}
             release: {{ .Release.Name }}
     - ports:
       - port: {{ .Values.service.port }}
diff --git a/production/helm/loki/values.yaml b/production/helm/loki/values.yaml
index 7088515eb2cd3..ca4a84cdcefd6 100644
--- a/production/helm/loki/values.yaml
+++ b/production/helm/loki/values.yaml
@@ -84,6 +84,10 @@ livenessProbe:
 networkPolicy:
   enabled: false
 
+## The app name of loki clients
+client: {}
+  # name:
+
 ## ref: https://kubernetes.io/docs/user-guide/node-selection/
 nodeSelector: {}
 
diff --git a/production/helm/promtail/Chart.yaml b/production/helm/promtail/Chart.yaml
index 12fd854ffdf79..4ecc958a7c079 100644
--- a/production/helm/promtail/Chart.yaml
+++ b/production/helm/promtail/Chart.yaml
@@ -1,3 +1,4 @@
+apiVersion: "v1"
 name: promtail
 version: 0.12.3
 appVersion: v0.3.0